Home / 9,861.78-14,799.06-4,315.26

Finding the Fourth Proportional to 9,861.78, 14,799.06 and 4,315.26

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Solution

The fourth proportional to 9,861.78, 14,799.06 and 4,315.26 is: 6,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.78 : 14,799.06 = 4,315.26 : x
  2. Step 2: Convert to fraction form
    9,861.78/14,799.06 = 4,315.26/x
  3. Step 3: Cross multiply
    9,861.78x = 14,799.06 × 4,315.26
  4. Step 4: Simplify right side
    9,861.78x = 63,861,791.66
  5. Step 5: Solve for x
    x = 63,861,791.66/9,861.78
  6. Step 6: Final answer
    x = 6,475.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.